Rare parts in 31381-1: Fierce Shark with a Treasure Chest

This set inventory has been obtained from LEGO Customer Services replacement parts page. It was retrieved on 23 March 2026 and contains 379 pieces.

Important note: We do not control this inventory and cannot currently make changes to it. Use it as a guide to the contents of the set, or to find out part numbers when requesting replacements.

Element Image Qty Colour Category Design Element name Element
in sets		 Element
introduced in		 Design
in sets		 Design
introduced in
6560569 <h1><a href='/parts/6560569/brick-1x1x1-2-3-w-vert-knobs'>BRICK 1X1X1 2/3, W/ VERT. KNOBS</a></h1><div class='tags floatleft'><a href='/parts/6560569/brick-1x1x1-2-3-w-vert-knobs'>6560569</a> <a href='/parts/design-32952'>32952</a> <a href='/parts/platform-System'>System</a> <a href='/parts/category-Bricks'>Bricks</a> <a href='/parts/colour-Bright-Purple'>Bright Purple</a> <a href='/parts/year-2025'>2025</a></div><div class='floatright'>©2025 LEGO Group</div>

BRICK 1X1X1 2/3, W/ VERT. KNOBS

6560569 32952 System Bricks Bright Purple 2025
©2025 LEGO Group
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2 Bright Purple Bricks 32952 BRICK 1X1X1 2/3, W/ VERT. KNOBS 3 2025 1480 2017
6372672 <h1><a href='/parts/6372672/plate-1x1-w-2-shafts-dia-3-2'>PLATE 1X1 W/ 2 SHAFTS DIA. 3.2</a></h1><div class='tags floatleft'><a href='/parts/6372672/plate-1x1-w-2-shafts-dia-3-2'>6372672</a> <a href='/parts/design-78257'>78257</a> <a href='/parts/platform-System'>System</a> <a href='/parts/category-Plates'>Plates</a> <a href='/parts/colour-Bright-Red'>Bright Red</a> <a href='/parts/year-2024'>2024</a></div><div class='floatright'>©2024 LEGO Group</div>

PLATE 1X1 W/ 2 SHAFTS DIA. 3.2

6372672 78257 System Plates Bright Red 2024
©2024 LEGO Group
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2 Bright Red Plates 78257 PLATE 1X1 W/ 2 SHAFTS DIA. 3.2 3 2024 138 2021
6580005 <h1><a href='/parts/6580005/brick-2x4x1-half-bow-w-cut-left'>BRICK 2X4X1, HALF BOW W/ CUT, LEFT</a></h1><div class='tags floatleft'><a href='/parts/6580005/brick-2x4x1-half-bow-w-cut-left'>6580005</a> <a href='/parts/design-6930'>6930</a> <a href='/parts/platform-System'>System</a> <a href='/parts/category-Bricks'>Bricks</a> <a href='/parts/colour-Dark-Stone-Grey'>Dark Stone Grey</a> <a href='/parts/year-2026'>2026</a></div><div class='floatright'>©2026 LEGO Group</div>

BRICK 2X4X1, HALF BOW W/ CUT, LEFT

6580005 6930 System Bricks Dark Stone Grey 2026
©2026 LEGO Group
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1 Dark Stone Grey Bricks 6930 BRICK 2X4X1, HALF BOW W/ CUT, LEFT 3 2026 21 2025
6580006 <h1><a href='/parts/6580006/brick-2x4x1-half-bow-w-cut-right'>BRICK 2X4X1, HALF BOW W/ CUT, RIGHT</a></h1><div class='tags floatleft'><a href='/parts/6580006/brick-2x4x1-half-bow-w-cut-right'>6580006</a> <a href='/parts/design-6929'>6929</a> <a href='/parts/platform-System'>System</a> <a href='/parts/category-Bricks'>Bricks</a> <a href='/parts/colour-Dark-Stone-Grey'>Dark Stone Grey</a> <a href='/parts/year-2026'>2026</a></div><div class='floatright'>©2026 LEGO Group</div>

BRICK 2X4X1, HALF BOW W/ CUT, RIGHT

6580006 6929 System Bricks Dark Stone Grey 2026
©2026 LEGO Group
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1 Dark Stone Grey Bricks 6929 BRICK 2X4X1, HALF BOW W/ CUT, RIGHT 3 2026 21 2025
6580007 <h1><a href='/parts/6580007/brick-w-bow-1x6x1'>BRICK W/ BOW 1X6X1</a></h1><div class='tags floatleft'><a href='/parts/6580007/brick-w-bow-1x6x1'>6580007</a> <a href='/parts/design-6801'>6801</a> <a href='/parts/platform-System'>System</a> <a href='/parts/category-Bricks'>Bricks</a> <a href='/parts/colour-Dark-Stone-Grey'>Dark Stone Grey</a> <a href='/parts/year-2026'>2026</a></div><div class='floatright'>©2026 LEGO Group</div>

BRICK W/ BOW 1X6X1

6580007 6801 System Bricks Dark Stone Grey 2026
©2026 LEGO Group
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1 Dark Stone Grey Bricks 6801 BRICK W/ BOW 1X6X1 1 2026 24 2025
6584677 <h1><a href='/parts/6584677/left-shell-3x10'>LEFT SHELL 3x10</a></h1><div class='tags floatleft'><a href='/parts/6584677/left-shell-3x10'>6584677</a> <a href='/parts/design-50955'>50955</a> <a href='/parts/platform-System'>System</a> <a href='/parts/category-Bricks'>Bricks</a> <a href='/parts/colour-Dark-Stone-Grey'>Dark Stone Grey</a> <a href='/parts/year-2026'>2026</a></div><div class='floatright'>©2026 LEGO Group</div>

LEFT SHELL 3x10

6584677 50955 System Bricks Dark Stone Grey 2026
©2026 LEGO Group
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2 Dark Stone Grey Bricks 50955 LEFT SHELL 3x10 2 2026 138 2005
6584678 <h1><a href='/parts/6584678/right-shell-3x10'>RIGHT SHELL 3x10</a></h1><div class='tags floatleft'><a href='/parts/6584678/right-shell-3x10'>6584678</a> <a href='/parts/design-50956'>50956</a> <a href='/parts/platform-System'>System</a> <a href='/parts/category-Bricks'>Bricks</a> <a href='/parts/colour-Dark-Stone-Grey'>Dark Stone Grey</a> <a href='/parts/year-2026'>2026</a></div><div class='floatright'>©2026 LEGO Group</div>

RIGHT SHELL 3x10

6584678 50956 System Bricks Dark Stone Grey 2026
©2026 LEGO Group
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2 Dark Stone Grey Bricks 50956 RIGHT SHELL 3x10 2 2026 140 2005
6580011 <h1><a href='/parts/6580011/3-branch-cross-axle-w-cross-h'>3-BRANCH CROSS AXLE W/CROSS H.</a></h1><div class='tags floatleft'><a href='/parts/6580011/3-branch-cross-axle-w-cross-h'>6580011</a> <a href='/parts/design-57585'>57585</a> <a href='/parts/platform-Technic'>Technic</a> <a href='/parts/category-Connectors'>Connectors</a> <a href='/parts/colour-Dark-Stone-Grey'>Dark Stone Grey</a> <a href='/parts/year-2026'>2026</a></div><div class='floatright'>©2026 LEGO Group</div>

3-BRANCH CROSS AXLE W/CROSS H.

6580011 57585 Technic Connectors Dark Stone Grey 2026
©2026 LEGO Group
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1 Dark Stone Grey Connectors 57585 3-BRANCH CROSS AXLE W/CROSS H. 2 2026 227 2007
6582726 <h1><a href='/parts/6582726/ball-10-2-w-cross-hole'>BALL 10.2, W/ CROSS HOLE</a></h1><div class='tags floatleft'><a href='/parts/6582726/ball-10-2-w-cross-hole'>6582726</a> <a href='/parts/design-32474'>32474</a> <a href='/parts/platform-Technic'>Technic</a> <a href='/parts/category-Technic-Beams'>Technic Beams</a> <a href='/parts/colour-Dark-Stone-Grey'>Dark Stone Grey</a> <a href='/parts/year-2026'>2026</a></div><div class='floatright'>©2026 LEGO Group</div>

BALL 10.2, W/ CROSS HOLE

6582726 32474 Technic Technic Beams Dark Stone Grey 2026
©2026 LEGO Group
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1 Dark Stone Grey Technic Beams 32474 BALL 10.2, W/ CROSS HOLE 3 2026 647 2001
6580009 <h1><a href='/parts/6580009/roof-tile-6x6x1-inv-deg-45-18'>ROOF TILE 6X6X1, INV. DEG. 45/18</a></h1><div class='tags floatleft'><a href='/parts/6580009/roof-tile-6x6x1-inv-deg-45-18'>6580009</a> <a href='/parts/design-29115'>29115</a> <a href='/parts/platform-System'>System</a> <a href='/parts/category-Bricks'>Bricks</a> <a href='/parts/colour-White'>White</a> <a href='/parts/year-2026'>2026</a></div><div class='floatright'>©2026 LEGO Group</div>

ROOF TILE 6X6X1, INV. DEG. 45/18

6580009 29115 System Bricks White 2026
©2026 LEGO Group
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1 White Bricks 29115 ROOF TILE 6X6X1, INV. DEG. 45/18 2 2026 43 2017